build: move package sources from src/pkg to src

Preparation was in CL 134570043.
This CL contains only the effect of 'hg mv src/pkg/* src'.
For more about the move, see golang.org/s/go14nopkg.

1 files changed, 70 insertions, 0 deletions

diff --git a/src/runtime/mgc0.go b/src/runtime/mgc0.go
new file mode 100644
index 000000000..2d9d76a47
--- /dev/null
+++ b/src/runtime/mgc0.go
@@ -0,0 +1,70 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runtime
+
+// Called from C. Returns the Go type *m.
+func gc_m_ptr(ret *interface{}) {
+	*ret = (*m)(nil)
+}
+
+// Called from C. Returns the Go type *g.
+func gc_g_ptr(ret *interface{}) {
+	*ret = (*g)(nil)
+}
+
+// Called from C. Returns the Go type *itab.
+func gc_itab_ptr(ret *interface{}) {
+	*ret = (*itab)(nil)
+}
+
+// Type used for "conservative" allocations in C code.
+type notype [8]*byte
+
+// Called from C. Returns the Go type used for C allocations w/o type.
+func gc_notype_ptr(ret *interface{}) {
+	var x notype
+	*ret = x
+}
+
+func timenow() (sec int64, nsec int32)
+
+func gc_unixnanotime(now *int64) {
+	sec, nsec := timenow()
+	*now = sec*1e9 + int64(nsec)
+}
+
+func freeOSMemory() {
+	gogc(2) // force GC and do eager sweep
+	onM(scavenge_m)
+}
+
+var poolcleanup func()
+
+func registerPoolCleanup(f func()) {
+	poolcleanup = f
+}
+
+func clearpools() {
+	// clear sync.Pools
+	if poolcleanup != nil {
+		poolcleanup()
+	}
+
+	for _, p := range &allp {
+		if p == nil {
+			break
+		}
+		// clear tinyalloc pool
+		if c := p.mcache; c != nil {
+			c.tiny = nil
+			c.tinysize = 0
+			c.sudogcache = nil
+		}
+		// clear defer pools
+		for i := range p.deferpool {
+			p.deferpool[i] = nil
+		}
+	}
+}